99412661 has 8 divisors (see below), whose sum is σ = 102264960. Its totient is φ = 96591168.

The previous prime is 99412637. The next prime is 99412697. The reversal of 99412661 is 16621499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99412661 - 2¹⁸ = 99150517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99412361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076 + ... + 14141.

It is an arithmetic number, because the mean of its divisors is an integer number (12783120).

Almost surely, 2^99412661 is an apocalyptic number.

It is an amenable number.

99412661 is a deficient number, since it is larger than the sum of its proper divisors (2852299).

99412661 is a wasteful number, since it uses less digits than its factorization.

99412661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15403.

The product of its digits is 23328, while the sum is 38.

The square root of 99412661 is about 9970.5898020127. The cubic root of 99412661 is about 463.2483697125.

The spelling of 99412661 in words is "ninety-nine million, four hundred twelve thousand, six hundred sixty-one".